KAGAN, M S <br/><br/>
[Determination of the axis position of the correcting cylinder by means of a cross cylinder].  [electronic resource] 

 -  Vestnik oftalmologii   
 - 29-32 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-465X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astigmatism--therapy<br/>Eyeglasses<br/>Humans